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E21

E21 — Difficulties in draining water

Zanussi · Washing Machines

What does E21 mean?

The Washing Machine is experiencing problems draining water during or after a cycle, causing the cycle to pause.

Common Causes

  • The drain hose is kinked, clogged, or improperly positioned.
  • The drain filter is clogged or dirty.
  • The drain pump might be faulty.
  • A faulty pressure switch or wiring issue.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the drain hose to ensure it is not kinked, blocked, or positioned too high.

  2. 2

    Clean the drain filter, located at the bottom front of the machine, to remove any debris.

  3. 3

    Turn the program selector to '0' to reset the appliance.

  4. 4

    Unplug the machine from the power outlet for 30 seconds before plugging it back in and trying again.

Browse all codes in this manual (66)
Verified technical data. Last updated: April 2026

Related Faults

E00E00 — No alarmE11Error E11 — Difficulties in water fill for washing, indicated by 1 red flash and 1 green flash on the START/PAUSE LEDE12Error E12 — Difficulties in water fill for drying, indicated by 1 red flash and 2 green flashes on the START/PAUSE LED
Source: Zanussi Washing Machines
Open Manual (Page 27)Search more codes in this manual